Transactions with Related Parties and Joint Operators (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure of Transactions Between Related Parties

Major transactions between the Company and its related parties are summarized as follows:

	2015		2016		2017
Revenue from sales of goods and services:
- Associates		1,400		—		3,367
- Joint operations		52,384		36,901		18,138
		53,784		36,901		21,505
Purchase of goods and services:
- Associates		18		739		2,776
- Joint operations		489		3,228		14,191
		507		3,967		16,967

Summary of Sale Purchase of Goods Services

d) Balances at the end of the year were:

	At December 31,				At December 31,
	2016				2017
	Receivable		Payable		Receivable		Payable
Current portion:
Joint operations:
Consorcio Constructor Ductos del Sur		62,834		—		—		—
Consorcio GyM Conciviles		61,006		—		43,435		—
Consorcio Rio Urubamba		9,072		—		8,964		—
Consorcio Peruano de Conservación		8,784		—		7,417		—
Consorcio Vial Quinua		4,198		738		—		2,162
Consorcio Italo Peruano		4,174		17,325		14,536		18,849
Consorcio La Gloria		3,521		3,080		1,688		1,358
Terminales del Perú		3,215		259		3,290		—
Consorcio Rio Mantaro		3,191		6,886		1,134		763
Consorcio Vial Sierra		940		5,400		2,355		1,854
Consorcio Constructor Chavimochic		915		2,471		1,959		5,817
Consorcio Energía y Vapor		491		3,203		—		72
Consorcio Ermitaño		83		6,372		1,067		6
Consorcio Menegua		30		3,803		39		—
Consorcio para la Atención y Mantenimiento de Ductos		—		21,790		—		12,074
Consorcio Huacho Pativilca		—		3,434		—		2,377
Other minors		10,134		2,472		12,182		6,973
		172,588		77,233		98,066		52,305

	At December 31,				At December 31,
	2016				2017
	Receivable		Payable		Receivable		Payable
Other related parties:
Gaseoducto Sur Peruano S.A		—		—		2,407		—
Perú Piping Spools S.A.C.		9,076		—		279		185
Ferrovías Argentina		—		—		—		2,684
Arturo Serna		—		2,984		—		—
		9,076		2,984		2,686		2,869
Portion current		181,664		80,217		100,752		55,174
Non-current portion:
Gasoducto Sur Peruano S.A		531,384		—		773,930		—
Consorcio Constructor Ductos del Sur		—		37,238		—		—
Ferrovías Participaciones		—		20,813		—		21,648
Ferrovías Argentina		—		2,835		—		—
Arturo Serna		—		4,434		—		4,306
Portion current		531,384		65,320		773,930		25,954